class utils {
  constructor() {

  }
  moneyMin(val) {
    if (val >= 10000) {
      let n = val % 10000,
        q = val % 1000;
      if (n == 0) {
        val = val / 10000 + '万';
      } else {
        if (q == 0) {
          val = (val / 10000).toFixed(1) + '万';
        } else {
          val = (val / 10000).toFixed(2) + '万';
        }
      }
    }
    return val
  }
  formatMoney(val) {
    if (val >= 10000) {
      let n = val % 10000;
      if (n == 0) {
        val = val / 10000 + '万';
      } else {
        val = (val / 10000).toFixed(1) + '万';
      }
    } else {
      val = parseInt(val).toFixed(2);
    }
    return val
  }
  IdentityCodeValid(code) {
    var city = { 11: "北京", 12: "天津", 13: "河北", 14: "山西", 15: "内蒙古", 21: "辽宁", 22: "吉林", 23: "黑龙江 ", 31: "上海", 32: "江苏", 33: "浙江", 34: "安徽", 35: "福建", 36: "江西", 37: "山东", 41: "河南", 42: "湖北 ", 43: "湖南", 44: "广东", 45: "广西", 46: "海南", 50: "重庆", 51: "四川", 52: "贵州", 53: "云南", 54: "西藏 ", 61: "陕西", 62: "甘肃", 63: "青海", 64: "宁夏", 65: "新疆", 71: "台湾", 81: "香港", 82: "澳门", 91: "国外 " };
    var tip = "";
    var pass = true;

    if (!code || !/(^\d{15}$)|(^\d{18}$)|(^\d{17}(\d|X|x)$)/i.test(code)) {
      tip = "身份证号格式错误";
      pass = false;
    }

    else if (!city[code.substr(0, 2)]) {
      tip = "地址编码错误";
      pass = false;
    }
    else {
      //18位身份证需要验证最后一位校验位
      if (code.length == 18) {
        code = code.split('');
        //∑(ai×Wi)(mod 11)
        //加权因子
        var factor = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
        //校验位
        var parity = [1, 0, 'X', 9, 8, 7, 6, 5, 4, 3, 2];
        var sum = 0;
        var ai = 0;
        var wi = 0;
        for (var i = 0; i < 17; i++) {
          ai = code[i];
          wi = factor[i];
          sum += ai * wi;
        }
        var last = parity[sum % 11];
        if (parity[sum % 11] != code[17]) {
          tip = "校验位错误";
          pass = false;
        }
      }
    }
    return pass;
  }
  getParameter(url, name) {
    var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
    var r;
    if (url.split("?")[1]) {
      r = url.split("?")[1].match(reg);
    }
    if (r != null) {
      return decodeURI(r[2]);
    }
    return null;
  }
  getBase64(file, get_data) {
    /*input_file：文件按钮对象*/
    /*get_data: 转换成功后执行的方法*/
    if (typeof (FileReader) === 'undefined') {
      alert("抱歉，你的浏览器不支持 FileReader，不能将图片转换为Base64，请使用现代浏览器操作！");
    } else {
      try {
        /*图片转Base64 核心代码*/
        //var file = input_file.files[0];
        //这里我们判断下类型如果不是图片就返回 去掉就可以上传任意文件
        if (!/image\/\w+/.test(file.type)) {
          alert("请确保文件为图像类型");
          return false;
        }
        var reader = new FileReader();
        reader.onload = function () {
          get_data(this.result);
        }
        reader.readAsDataURL(file);
      } catch (e) {
        alert('图片转Base64出错啦！' + e.toString())
      }
    }
  }
  dealImage(path, obj, callback) {
    var img = new Image();
    img.src = path;
    img.onload = function () {
      var that = this;
      // 默认按比例压缩
      var w = that.width,
        h = that.height,
        scale = w / h;
      w = obj.width || w;
      h = obj.height || w / scale;
      var quality = 0.7; // 默认图片质量为0.7

      //生成canvas
      var canvas = document.createElement("canvas");
      var ctx = canvas.getContext("2d");

      // 创建属性节点
      var anw = document.createAttribute("width");
      anw.nodeValue = w;
      var anh = document.createAttribute("height");
      anh.nodeValue = h;
      canvas.setAttributeNode(anw);
      canvas.setAttributeNode(anh);

      ctx.drawImage(that, 0, 0, w, h);
      // 图像质量
      if (obj.quality && obj.quality <= 1 && obj.quality > 0) {
        quality = obj.quality;
      }
      // quality值越小，所绘制出的图像越模糊
      var base64 = canvas.toDataURL("image/jpeg", quality);
      // 回调函数返回base64的值
      callback(base64);
    };
  }
  formatDate($date, $format) {  //这个是自定义的时间号的方法
    Date.prototype.Format = function (fmt) { //author: meizz 
      var o = {
        "M+": this.getMonth() + 1, //月份 
        "D+": this.getDate(), //日 
        "h+": this.getHours(), //小时 
        "m+": this.getMinutes(), //分 
        "s+": this.getSeconds(), //秒 
        "q+": Math.floor((this.getMonth() + 3) / 3), //季度 
        "S": this.getMilliseconds() //毫秒 
      };
      if (/(Y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
      for (var k in o)
        if (new RegExp("(" + k + ")").test(fmt)) fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
      return fmt;
    }
    return new Date($date).Format($format);
  }
  getQueryString(name) {
  var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i");
  var r = window.location.search.substr(1).match(reg);
  if (r != null) return (r[2]); return null;
}

}
let util = new utils();
export default util
